Sofa



FIG. 1 is a perspective view of a sofa showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a side view thereof, opposite that of FIG. 2;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof, from a side opposite that of FIG. 4;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof, opposite that of FIG. 6.

The sofa can be made in any color or combination of colors or shades. 

CLAIM The ornamental design for a sofa, as shown and described. 